CVE-2021-40034
The video framework has the memory overwriting vulnerability caused by addition overflow....
The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.
- Record
CVE-2021-40034- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
CVE List No score
The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.
- Record
CVE-2021-40034- Updated
- 2026-11-02
EUVDEUVD-2021-27224 No score
The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.
- Record
EUVD-2021-27224- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-crjm-j6hp-gvhj
The video framework has the memory overwriting vulnerability caused by addition overflow....
The video framework has the memory overwriting vulnerability caused by addition overflow. Successful exploitation of this vulnerability may affect the availability.
- Record
GHSA-crjm-j6hp-gvhj- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-40034 is a high vulnerability (CVSS 7.5) in Huawei Emui, published August 9, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.60%, the 49th percentile. No source names a fixed version.